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Finding the Fourth Proportional to 263,501.69, 395,263.47 and 76,513.19

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Solution

The fourth proportional to 263,501.69, 395,263.47 and 76,513.19 is: 114,772.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,501.69 : 395,263.47 = 76,513.19 : x
  2. Step 2: Convert to fraction form
    263,501.69/395,263.47 = 76,513.19/x
  3. Step 3: Cross multiply
    263,501.69x = 395,263.47 × 76,513.19
  4. Step 4: Simplify right side
    263,501.69x = 30,242,867,800.73
  5. Step 5: Solve for x
    x = 30,242,867,800.73/263,501.69
  6. Step 6: Final answer
    x = 114,772.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.